Cultivator



NOV. 24, 1931. c, v, BARNHART I 1,833,149

CULTIVATOR F il'ed Nov. 19. 1930 2 Sheets-Sheet l INVENTOR. flllumceyfiarlzlzart,

BY ATTORNEY.

I illillllllll I.-

NOV. 24, 1931. c, BARNHART 1,833,149

CULTIVATOR Filed Nov. 19, 1930 2 Sheets-Sheet 2 12 4; i 1 INVENTOR.

F Clarencek'fiarlzlzari, .1 r.-+ BY ten ST Patented Nov. 24, 1931' Y cinnamon v. mam-r m, or are?nus13one, rmvnsynva vm CULTIVA'LOB Application fiiean vemnema 930. s mi mage- 224K a I 1 In that type of cultivator now incommon use, involving a central beam and swinging sidebeams that can be adjusted to dilferent distances apart so as to'properly cultivate between rows that are correspondingly spaced, it often becomes necessary to vary the width of the cultivator during the cultivating operation due to irregularly spaced rows, and at the ends of the rows it is usually necessary to make a relatively Wide turn and remove thecultivator from the ground. With the ordinary cultivator a lever separate from the. handles "is employed for. spreading or drawing inwardly the side beams andwhen it is necessary to operate the lever, it becomes necf essary toiirelease one of the guidingor hold; lng handles of thecult vatorg inalnng t an awkward and not always a "successful oporation;

One of the objects of the present invention is to provide an adjustable cultivator or like tool, in which the operator hile. holdingthe handles, can easily spreadiapart'or contract the cultivator Without releasing his grasp and therefore W thout affect ng the gniding operat on, means being prov ded .Whereby this variation can be accomplished Without any material efiort erator.

on the part of the op- A further and important object, to provide means by which the relatively adjust:

able beams can be locked. and thus set a desired adjusted relation, so that here the rows are evenly and properly spaced and no adjustment is required no attention need be given to maintaining the desired fixed relation.

Still further objects are to provide struc ture that is simple, practicable and commer- Y a r portions, of theplfates 15 are outset; t j I cially feasible.

vide on their inner-sides runways 22 In the accompanying drawings; e I

Figure 1 is a side elevation of a cultivator constructed in accordance vvith' the present invention.

F igure Qisjrtop plan vieivlofthe'same p Figure 3 is a vertical longitudinal sectional view through, the front portion;

Figure 4 ,isla horizontal sectional vievv ra tl a dei ea deme all? 3 permits-its longitudinal, slidingv inc e plates are provided w th oppos tely d posed;

an} e a ge a e e "th ure 7' v Figure G'isa plan View of the'reai of one of the side beams. y f Figure 7 is a Cross sectional yievvxon"the line FigurefG i I Figure 8 is a detail Side pe ie h r fiiheasl; li e gfo the cus ion and stats i Figures 9, is a planfvievvjof one o dra thead P at s-z f a.

Figure 1.0 is a'perspective Viev'viof one tles'preader'linkel '1 I a ignre iris-t detailpeiep v j one of themountingsforthes' read In the embodiment di d, beams, designated 12, are'emplo hich 18 l a ean iin e bfiili i 13. Tliegsideflbea te t i i e d 'nje na rl ltlfejan i lth s d 11 ntermediate beam 'lBIhas" mountin In the preferrefd form of constructii t me h es i app a d new a 15 corresponding in form, and one Qf j'vhr is shownin inside i-l'l' lf "lire 9,

gu ee n 1 on hi h J li ey sffi a side beams 12; are journ a led (see Figure: The plates furthermore have on" for draftplatesl LQ'th at areinferl. liefd yyi th the plates 15 and terminated A H v necks 20, I These platesmjas n r are located Hon opposite "sidesfo'f the central beam 13'; The said plates .1'5"

sides lugs 18; providii1gpositioningeleinents be se u ed to er i e ire ablenm 1 as for example, by bolts 211, The' heritiral' th e r w y "ar e e? ea e a, e" 23,,against which the upperand lovvere The means guiding or holding the cultivator while at work consists of a pair of handle .bars which maybe oftheusual I form,yterminating at their upper ends in hand vgrips 26.- These' bars are fixed to the centerbeam 13 byfhaving their lower ends secured to:a bracket 27 thatis -fastened,""as

shown at 28', to the front portion offthe cen ter beam behind the draft head 14. Braces 29 secure the central portions of the handle bars 25 to said center beam. Thus the handles, it will be noted, are fixed with rela; tion to the center beam, and being tied by a cross brace 30, always maintaintheir rela tiverelation to each other, Thatis'to say,

they do not spread I or inove laterally 'wi'th' any of the other moving parts ofthe impleit legs of the loops and have 'fo'rwardly extendportions of said beams extend forwardly, as

shown at 34. In these loopsare located spacer boxes'that are bolted, as shown at36, to the I v ingearsBK; The brackets 32'have oppositely preferably made up of twobars' -39suitablysecured together and "having their terminals spaced apart, as'ill'ustr'ated at 40. (See Figu're'"1 0)'.- These 'portions14O at one end emr we gudgefons 38,-whiletheother spacedends are similarly engaged on gudgeons 41,formed v earth agitating ni'eans'm ay be mounted on the 1 ektending'gudgeons 38. The links 31 are bracethe bracket 32 and are journaled on the upon'thefears'37. V Preferablyalso links 42 are 7 pivotedeas shownat 43, to thelinks 31 and pivotal connections 44 with brackets 45 have V 'secur'edtothe handle bars25. Y

'fiiediate' ibeam 13"agai'nst its longitudinal sliding movement'andin diflerent positions."

As" shown this means consists of a latch bar 46 pivoted to and between the upstanding -necks 20'of the draft members, and having in its -reaifen d'a series of notches 47, any one of whi'chiis adapted to receive one ofthe bolts 48 that securefthe'handle bars 25to the bracket 27. Obviously when the parts are -thusengaged,,as shown for instance in Figure-3,'the intermediate. beam 13 cannot slide ,7 in 'thefdrafthe'ad 14; In order to swing the latc'h'bar 46 to and from its active or looking position, a cam-member 49 is pivoted on the crumed bet'ween .itsjends 53 on. one ofthe V handlebars 25. adjacent to the handle grip 26.

r A plate 54 serves as aflconvenient means forgm ovingi the: lever 52. Thefcam member a f49 'hasaJcr'oss bar55adap'tedfto engagejthe, v y g V v 1. "6 6 underside ofthelat'ch bar 46,'wh ile the-yoke bars'j25 to hold'andfguide: the cultivator, can. 1 I

Meansare provided for locking the-inter i rests upon said bar. 13y pushing up 7 on the finger plate 54, the yoke 50 is caused to press upon the bar 46 andlmove'it downward- 'ly so that it willinterlock with the bolt 4.8.Qy'

By pulling uponthe finger piece the crossbar of the cam member 49 I will engage the underside of-the latch bair and raise itso as to disengage the bolt 48. 1h order that the parts willbe held when'moved to either of the P above'described positions, the lower end of I.

the lever 52 is provided with a cross pin-56 that rides against spring 57 fastened to thef underside of the handle bar, this cross pin movingto oposite sides of a dead center so that the spring will operateito hold the lever 52in either of its reversed positions.

'- In order tolimit the rearward longitudinal movement of the intermediatefbeam- 13 an achustable'stop, means is provided. Thus, as

shown particularly in Figure4,the front end of the beam 13, whichslides in thedraft head 14', has a cross pin 58 that (extends through longitudinal slots 59 formedin thebrackets 19. On thef'outer side of'said brackets' are secured stop plates '60'vby bolts or screws '61 that areadapted to-be passed through any of o a series of openings 62 formed in the plates.

The front ends of theseplates are 'p'ositioned in the path of' the cross pin 58 and conse- V quently will limit therearw'ard movement" of the centerfbeamg'ln order'that this'rearward. movement niafyflbe; cushioned; yielding plunger's'63are also -'preferjabiy placed in the,

path'of the crosspin and are lo'cated inboxes 64 secured by the screws 7 61. The plu ngers have springs 65 behind them; f

It will be understood thatany suitable beams 12 13. Tlin'sin the present structure being carried by-legs 67 bolted to the s'ide; 2

beams and center beam. Preferably a pair" of these cult vator members 1s secure'd'to' the oppositesides of thelooped portions 3334.;

In usingthis cultivator, where the rows are equally spaced apart, the sldebeams can be separated the desired distance, either by pushingfor pulling upon the handlebars 25,"

the center beam being released or-free of the latch bar'46. l-Vhen the center-beam is thus 1 slid in the draft'head, the links 31 are swung toward andfroma more nearly rightangular relation to the centerbeam 13, thereby spread T mg apart or drawing together the slde beams,

as will be evident When p'roperly"positioned, the latch 46 is dropped by operating upon the fingerpiece 54', so that the center vary in width and it becomes' desirable'to shift the outerv or side beamswhile progress-j ing between such rows the center beani is unlatched and the operator using -the x-handlei i i easily vary the positions oftheside beams" by simply pushing forward or pulling back;-

same time, as explained, the cultivator canbe adjuited and fixed in a desired adjustedpo-= sit-ion. The parts moreover can be easily-and" 4 7 s betweenthesi'de members movable with reon the handles as the cultivatorfadvances, In doing this, he obviously shifts the side beams in an'clout. The structure is such that this adjustment-can be made withfthe greatest, case because the resistance due to the cultivator teeth in the ground, practically balances the strain upon the'parts, and therefore the guiding and holdinghandl'es perform the additional function of adjusting means.

lVhen'the endof a row is reached, andit is: desired to turn the cultivator to start down another row, by pushing forwardly, the handles or side beams are brought in close to the center beam and the turn canbe made very conveniently and in a short range. In order to avoid the possibility of the operator spreading the side beams too far apart, and

thus causing the outer cultivator teeth to engage or com-e too close to the plants'in the rows, the stops are provided. By adjusting these forwardly to greater or less extent,

the cross pin 58 will limit the backward-movement of the center beam with respect to the draft head and thus limitthe angularity'that may be assumed by the links 31. a

A simple'a'nd entirely practicable structure is thus provided, in which the operator,

while at Work, can readily maintain thede-V' sired relation of the cultivating tools to the plants without ever removing his hands from the directing and holding handles. 1 At the cheaply'manufactured.

From the foregoing, it is thought that the construction, operation and many advantagesj of the herein described invention willbe apparent to those skilled in the art without further description and it will beunderstood that various changes in thesize, shape, pro; portion and minor details of construction may beresorted to without departing from the spirit'or sacrificing any of the advantages of the invention. r

' VVhatI claim, is:

1. In a cultivator, the combination with separable side members, of means for connecting draft power thereto, another member between the side members movable with respect thereto, handle means for thus moving a the intermediate member and for guiding the cultivator, and connections between the inter- I with respect to the side p V holding the intermediate ime'mberagainst its ing theintermediate member and'for I the cultivator, "and connections between the 7 intermediate memberand' side members for respect to; the sidemembers. i

causing the .sidemembers to swing on' themovement of the intermediate member with .7

3. In acultivator, the-combination:

draft head" having means for attachment of draft power thereto of side ,beamsjpivoted' to the draft-head, an intermediate beam longitudinally slidable'in the draft head and being directly free of the draft attachmentmeans,

handles :for thecultivator,mounted .1011 the "intermediate; beam and constituting means for sliding said beam in the head, and links connecting the intermediate beam and side beams. forcausing the side beamsto swing whentheintermediate beam is slid in the head. a V

I 4. In; a cultivator, the combination separable side members, of means for connect:

ing draft power thereto, another member between the side members movable with respect" thereto, handle meansfor thus movingi the intermediate member and for guiding the cultivator, connections between the intermedi'-' ate member and side members for causing the side members to separate or be'moved towards each other] on the movement of the, inter-f; mediate member-with respe'ctto; the s de mem g: hers," andlm'eans for locking the intermediate 7. 'member against movement with respectto y;

the sidemember's.

y 5. inla cultivator, the combinationjnvvith 'separableside members, of means for connects in}! i draft power-i th ereto, another member spect thereto, handle means for thus moving the intermediate member and forguiding the cultivator, connections between the intermediate member; and side members for causing the v side 'members to separate or be moved towardseach other on the movement ofthe intermediate member with respect to the side 7 members, means for locking the intermediate member against movement with respect to the side members, andoperat ng mechanism for v v the lock mounted on the handle means 6. In a cultivator, the combination with separable swinging side members, of means mediate member and side members for causing the side membersto swing on the movespect to the side members, and a latchfor '1 ngitudinaLs1idjng movement, p

"In-a1 cultivator, the combination ment of the intermediate member withre separablejswinging side members, of; means fora-connecting draft; power thereto, another; member longitudinallyjslldable 'hetwecnft lfi' if a? drafthead having means for attachment-of V sidelme nbers, handle means for thuseinov ing the intermed atemember. and for guiding v the cultivator, connections between-"therein;

termediate member andfsid ei-members' :for causing" the side members to 7 sw ng Jon the a movementof the intermediate member with 'respect to the side members, a-latch for holding the intermediate member against its longitudinalrsliding movement, and an open.

theintermediate beam and constituting means for sliding said beam in the head, linKs coni necting the intermediate beam and'side beams for causing the side beams to swing when the intermediate beam slid in the head, and a lat'ch pivoted on the draft head and having detachable engagement with the intermedi ate bar to secure the bar against its-sliding movement. j s Y 9} In a cultivator, the combination with a draft head "having means I for attachment of draft power thereto, ofside'beamspivoted to the draft head, an intermediate .b'eam*longi- I tudiiiallyslidable in the thing directly free of the draft i attachment' means, i

on theintermediate beam and constituting;

draft head be-i handles for the cultivator inounted ineans' for sliding said beam in the head,

5 swin when links connectin side beams for causing the side "beams to in the head, a'latchpivot'ed on the draft head 'and'lia'ving a detachable engagement wit'h the intermediate bar to secure theba'i agail jw t its sliding movement, an'actuatingdevice mount ed'o'n one of the handles, and a link connec draft power to the draft tion between the actuating device'and'flthelatch 10; In a cultivator, the combination'with a draft head having means for attachment of thereto, of side beamspivoted head, an intermediatebeam lon gitudinallyislidable' in the draft head; and

being directly free of the draft attachment means, handles for the cultivatormounted on the intermediate beam and constituting 'means for sliding said'beam inthelhead, and

7 links connectingthe intermediate beam and side. beams for causing the side beams to sving when theintermediate beam issl-idin the head, saidrdraft headand intermediate I bar beingprovided'one withalatch and'the' 7 other with a Vkeeperfto'? be engaged I by the latch to hold the bar against itsf sliding 'movement. 11": In a cultivator, thec ombinationrwith I the intermediate beam and j the intermediate beam is-slidj draft-Tpowerx thereto, of side beams pivoted totlie drafthead', an intermediate beam l0ngitudinally slidable in the: drfijftxhead and.

being :directly free of the draft attachment means, handles for; the 'cultii'rator, mounted on the intermediate, beam and constituting ineanslforsliding sald beam in the head, links connecting the intermediate beam and side beamse for causing the side beams to swing when'the', intermediate beam is slid in the head, a latch pivotedon the draftheadand v having a detachable engagement with the in;- V

terinediate, beam to secure the beam against itsislidingmovement, a, cam for swinging the latch, an operating triggerpivoted on one of the-handles, a-link connecting the trigger and cam, anda spring for holding thetriggerzwith the latch when in its operative or its inoperative position i. v 1

12in a cultivator, the combination with separablesidemeinbers, of means for coniiecti'ng draftpower thereto, another member 7 I between the side members movable withfire spec-t thereto, handle means for thus moving the intermediate member and for guiding the cultivator, connections between the intermediate member and side-members for causing the side members to separate orb-e moved to wards each other I, on the {movement of the intermediate;memberwith respecttotheside member's, and'means' for limiting the separ-able' "movement, of the side members by the movement of the operable memben Inee'tin the member between the side" members movable In" a cultiatator, the combination with i separable sideimembers, of means forfcon draft power thereto, 7 another '-with respect thereto, handle-means, for thus 7 moving: the intermediate member and for guiding the cultivator, connections between; the intermediate vmember and side members for causing thejjside members to separate or be moved towards each other on the moveme nt' 'of the intermediate member; with re-; spect'to the side members,and means for l1m-' I iting the separable movement of the side members by the movement of theoperable member, said means being adj ustabletoj vary the said separable movement. 1

14. In a cultivator, the combination Wlth Q a draft head haviiig means for attachment? of draft power thereto, of'side beams pivoted to the'draft head, an intermediate beam lon itudinally slidable, in the draft head and beihg directlyfree ofthe draft attachment means, handles for the cultivatorv mounted on the intermediate beam" and constituting 7 means forsliding said beam in the head, links. connecting the intermediate beam {and side 7 beams for-caus ng the side beams'to swing when the intermediate beam -i,s:sl id' in the head, and ineans' forlimiting the" swinging movement ofthebeamsg-qg s 15. In arjcultivator, the combination with a draft head, havingf neansg for attachment of draft power thereto, of side beamspivoted to the draft head,;anintermediate beam' longitudinally slidable in the'draft head and being directly free of the draft attachment means, handles forthe cultivator mounted (on the intermediate beam and constituting means for sliding said beam in the head, links connecting the intermediate beam and side beams for causing the side beams to swingwhen the intermediate beamis slid in the head, a stop mounted on and movable with the intermediate beam, and an abutment adjustably mounted on the draft head and located in the path of the stop to limit the movement of the intermediate beam and thereby the swinging of the side beams.

16. In a cultivator, the combination with a draft head having means for attachment of draft power thereto, of side beams .pivoted to'the draft head, an intermediate beam longitudinally slidablein the draft head and being directly free of the draft attachmentmeans, handles for the cultivator mounted on the intermediate beam and constituting means for sliding said beam in the head,

links connecting the intermediate beam and a side beams for causing the side beams to swing when the intermediate beam is slid in the head, a stop mounted on: and movable with the intermediate beam, and an abut ment adjustably mounted on the draft head and located in the path of' the stop to limit the movement of the intermediate beam and thereby the swinging of the side beams, and 5 a yielding cushion associated with the stop.

, 17. In a cultivator, the combination with adraft head having a guideway therethrough, of side beams pivoted to the draft head on opposite sides of the guideway, an 40 intermediate beam slidable in the guideway,

a roller bearing on the head for the intermediate beam, handles fixed to'the intermediate beam for sliding it and for guiding the culti- A vator, and links connecting the intermediate beam and side beams for swinging the latter on the sliding of the intermediate beam. 7 18. In a cultivator, the combination with v a draft head having a guideway therethrough, of side beamspivotedto the draft head on opposite sides of the guideway, an

intermediate beam slidable in the guideway, a roller bearing in the head for the intermediate beam, handles: fixed to the intermediate beam for sliding it and for guiding the cultivator, links connecting the intermediate beam and side beams for swinging the latter on the sliding of the intermediate beam, a cross pin carried by the intermediate beam and an adjustable stop against which the cross pin abuts to limit the movement of the intermediate beam and'the swinging movements of the side beams.

In testimony whereof, I afiix my signature.

" CLARENCE v. BABNHART. 

